*christopher colombus -discovered america in 1492
*vasco dagama-discovered d sea route 2 india (1497)
*ferdinand magelian-1st man 2 sail round d world (1522)
*mungo park-discovered d source of river niger -upper niger(1795)

m1 fact

*longest river in d world is- RIVER MISSISIPI(7244km)
*highest mountain in the world -MOUNTAIN EVEREST(8840metres high)
*largest & deepest sea-MEDITERRANEAN SEA
*largest island in d world -GREENLAND
*hottest region in d world -SAHARA DESERT
*world's largest seaport-LONDON,NEWYORK,LIVERPOOL,ROTTERDAM
*worlds largest cities-LONDON,NEWYORK,TOKYO
*world's largest producer of meat-ARGENTINA
*headquarters of U.N -NEWYORK(U.S.A.)
*the 5 world powers-USA,USSR,BRITAIN,CHINA,FRANCE
*d 1st world war- 1914-1918
*d second world war- 1939-1945
*prince henry the navigator invented d mariners compass -1431

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